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1)  pressure dynamic feature
压力动态特征
1.
Analytical solution and the longtime/short-time asymptotic solution of the mathematical model have been given by Laplace transforms and works out its pressure dynamic feature and pa.
分析了地层压力动态特征和参数的影响。
2)  pressure performance characteristic
压力动态特征
1.
Based on the well test model and interpretation method of fractured horizontal well at home and abroad,the paper describes the well test model and the interpretation method of fractured horizontal well with multiple fractures about 2D fracture,and analyze the pressure performance characteristic.
在分析国内外压裂水平井试井模型和试井解释方法的基础上,针对2D裂缝,着重研究了压裂水平井多裂缝系统的试井模型和解释方法,并分析了其压力动态特征
2.
Based on actual development of well testing model and interpretation method of fractured horizontal well both at home and abroad,this paper studies well testing model and interpretation method of fractured horizontal well with multiple fractures,and analyzes pressure performance characteristics.
在分析国内外压裂水平井试井模型和试井解释方法发展现状基础上,研究了压裂水平井多裂缝系统试井模型和解释方法,并分析了其压力动态特征
3)  dynamic variation of ground pressure
地压动态特征
4)  pressure fluctuation characteristic
压力脉动特征
1.
In this paper, the pressure fluctuation characteristics of the two modes and the laws of the characteristics changed with attack increasing were proved in two different wind tunnels with two machined slender body models.
为了寻求两者的区别与联系,在两个风洞中分别用两个细长体模型进行测压和流动显示实验,得到了沿旋成体轴向不同区域的压力脉动特征,即头涡的脉动幅度相对卡门涡较大,而频谱峰频率则较低,而且随着迎角的进一步增大,头涡区会完全消失。
5)  dynamic characteristics
动态特征
1.
Dynamic characteristics of ammonia-nitrogen concentration in UniTank process;
UniTank工艺流程氨氮浓度的动态特征
2.
The dynamic characteristics of the development of human settlement environment:As an example of Xinjiang province;
人居环境发展的动态特征——以新疆为例
3.
Analysis to the dynamic characteristics of gas radon in Liaogu First Well;
聊古一井气氡动态特征分析
6)  dynamic characteristic
动态特征
1.
The dynamic characteristics and modeling of nitrogen in paddy field surface water and nitrogen loss from field drainage;
水稻田面水氮素的动态特征、模式表征及排水流失研究
2.
Study on the dynamic characteristics of solid and liquid water in the process of freezing-thawing in black soil;
冻融过程黑土2m土体固液态水分含量动态特征
3.
Based on detailed survey data of land use of “yixianliangdai”district in Shanxi Province from 2000 to 2004,this paper analyzed the temporal and spatial dynamic characteristics of construction land since the actualization of the new law of land administration.
基于陕西省“一线两带”地区2000~2004年的土地利用现状年度变更调查数据,分析了自新《土地管理办法》实施后带内的建设用地时空动态特征。
补充资料:动态压力
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性质:动态压力的概念;主要在估计气-液系统或液-液系统中的分散相——气泡(或液滴)的直径时用到。所谓动态压力τ,系作用于气泡(或液滴)的剪应力与法向应力之和。在气泡(或液滴)形成至最后达稳定行为的过程中,动态压力τ将克服分散相的表面张力及黏滞阻力,而促使气泡(或液滴)破裂,致使成为较小的分散相。例如,对自由上升的球形气泡言,动态压力τ由下式给出τ=ρLut2/2。式中ρL为液体密度,ut为气泡上升的终端速度。

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